What is a brake caliper replacement?

When you take your car in for a brake caliper replacement service, the mechanic will assess the calipers to confirm if any replacements are needed. The mechanic will also check the brake pads, as they are likely to need a replacement as well.
The brakes need the brake calipers to function, as they push the brake pads onto the rotors to slow down or stop your car. 
A car can have two or four calipers. If a car has two rotors and two drums, it will have two calipers in the front. If a car has four rotors, it will have four calipers. When the calipers become contaminated and rusty, they can leak brake fluid.
If a brake caliper is leaking, insufficient brake fluid would reach the pistons in the caliper to push the brake pads onto the rotors. The brakes would not be able to function at full capacity.

How to replace a brake caliper

The mechanic will follow these general steps to replace a brake caliper:
  • Remove and replace the brake caliper and brake pads
  • Inspect brake rotors
  • Inspect brake line hoses
  • Replace brake fluid
  • Re-check for fluid leaks in the brake system
  • Bleed the brake system
  • Torque wheels according to factory specifications
  • Check brake system performance
If your calipers aren’t in good condition, then the brake pads will likely be worn down as well, so they would also need to be replaced.

When do I need to replace a brake caliper? 

If you see any physical damage or leakage, it might be time to replace your brake calipers.
Other signs to look out for that may indicate a damaged brake caliper:
  • Physical damage, including rust and weakened seals
  • Abnormal squeaking noises
  • Car pulling hard left or right when braking
  • Brake pedals feel soft and spongy
A leaking or worn-down caliper is a great risk to you and the cars around you, as the brakes will not be fully functional. This increases the risk of a collision, as your vehicle will not stop as quickly if the car in front of you suddenly brakes.
It is recommended that you have the brake calipers’ condition inspected every time your car is serviced. This allows the mechanic to monitor for any issues before any leakages occur. 

How important is this service?

All services related to your vehicle’s brakes are extremely important. Not only is this a safety issue, but it can lead to more costly repairs if left unchecked.

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